NATURAL HYBRIDS. 165 
Salix purpurea, Linn. 
x aurita (dichroa, Déll.) 
x aurita x phylicifolia (sesquitertia, 7. B. W.) 
x cinerea (sordida, Kern.) 
x phylicifolia (secerneta, Ff’. B. W.) 
x repens (Doniana, Sm.) 
X viminalis (rubra, Huds.) f. Forbyana (Sm.) 
viminalis, Linn. 
x aurita (fruticosa, Doell.) 
x Caprea (Smithiana, Willd. p. pte.) 
x cinerea (Smithiana, Willd. p. pte.) 
x Smithiana ? (stipularis, Si.) 
x ? (acuminata, Si.) 
x repens 
Lapponum, Linn. 
x Myrsinites (pheophylla, Anders.) 
x phylicifolia (Lapponum-phylicifolia, Linton) 
x repens (Lapponum-repens, Wimm.) 
x reticulata (Sibyllina, /. B. White) 
Caprea, Linn. 
x cinerea (Reichardtii, A. Kern.) 
x Lapponum (Caprea-Lapponum, Wim.) 
x Myrsinites (Caprea-Myrsinites, Linton) 
x nigricans (latifolia, Forbes) 
x phylicifolia ( ? 
aurita, Linn. 
x Caprea (capreola, J. Keri.) 
x cinerea (lutescens, A. Kern.) 
cinerea X nigricans 
herbacea (Margarita, ’. B. White) 
Lapponum (aurita-Lapponum, Wim.) 
Myrsinites (saxetana, F’. B. White) 
Myrsinites x nigricans 
nigricans (coriacea, Forbes) 
phylicifolia (ludificans, /’. B. White) 
repens (ambigua, Hirh.) 
cinerea, Linn. 
x Lapponum (cinerea-limosa, Laestad.) 
x nigricans (strepida, Yorbes) 
x phylicifolia (laurina, Sm.) 
x repens (cinerea-repens, Wim.) 
nigricans, Sm. 
x phylicifolia (nigricans-phylicifolia, Wimm.) 
x repens (nigricans-repens, Heidenr.) 
x reticulata ? (semi-reticulata, ’. B. White) 
phylicifolia, Linn. 
x repens (Schraderiana, Walid.) 
Arbuscula, Linn. 
x herbacea (simulatrix, . B. White) 
x Lapponum (spuria, Willd.) 
GOES Pah Cas PSS 
x 
